Date	Open	High	Low	Close	Volume	Change (%)
Apr 30, 2012	81.74	81.89	81.68	81.81	249,914	-0.09(-0.11%)
Apr 27, 2012	81.73	81.95	81.42	81.90	244,130	+0.15(+0.18%)
Apr 26, 2012	81.78	81.86	81.64	81.75	215,681	+0.01(+0.01%)
Apr 25, 2012	81.77	81.78	81.45	81.74	600,790	+0.07(+0.08%)
Apr 24, 2012	81.67	81.68	81.45	81.68	252,950	+0.29(+0.36%)
Apr 23, 2012	81.56	81.85	81.35	81.39	300,959	-0.25(-0.30%)
Apr 20, 2012	81.54	81.75	81.41	81.63	306,952	-0.01(-0.01%)
Apr 19, 2012	81.19	81.74	81.13	81.64	368,546	+0.38(+0.47%)
Apr 18, 2012	81.15	81.31	81.05	81.26	221,346	+0.07(+0.09%)
Apr 17, 2012	80.96	81.29	80.88	81.19	354,607	+0.29(+0.36%)
Apr 16, 2012	81.01	81.31	80.88	80.90	317,038	-0.04(-0.05%)
Apr 13, 2012	80.79	80.95	80.59	80.93	271,945	+0.24(+0.29%)
Apr 12, 2012	81.03	81.08	80.61	80.70	257,422	-0.39(-0.48%)
Apr 11, 2012	81.19	81.19	80.92	81.08	168,695	+0.14(+0.17%)
Apr 10, 2012	80.94	81.14	80.87	80.94	327,028	+0.17(+0.21%)
Apr 09, 2012	80.87	81.16	80.69	80.77	241,876	+0.54(+0.67%)
Apr 05, 2012	80.61	80.73	80.23	80.24	331,182	-0.29(-0.36%)
Apr 04, 2012	80.54	80.67	80.43	80.53	276,463	+0.04(+0.05%)
Apr 03, 2012	81.03	81.07	80.45	80.49	421,573	-0.56(-0.70%)
Apr 02, 2012	81.26	81.33	81.05	81.05	364,573	-0.05(-0.06%)
Mar 30, 2012	81.10	81.36	80.82	81.10	246,762	-0.04(-0.05%)
Mar 29, 2012	81.26	81.26	81.00	81.15	216,377	-0.07(-0.08%)
Mar 28, 2012	81.17	81.33	81.06	81.22	181,112	+0.08(+0.10%)
Mar 27, 2012	80.97	81.17	80.82	81.13	287,038	+0.21(+0.26%)
Mar 26, 2012	80.67	81.05	80.67	80.93	232,465	+0.27(+0.33%)
Mar 23, 2012	80.60	81.04	80.47	80.66	276,134	+0.04(+0.05%)
Mar 22, 2012	80.10	80.63	79.95	80.62	232,233	+0.43(+0.54%)
Mar 21, 2012	79.87	80.26	79.64	80.19	307,442	+0.50(+0.62%)
Mar 20, 2012	79.78	80.07	79.64	79.70	463,995	-0.08(-0.10%)
Mar 19, 2012	79.70	80.02	79.52	79.78	491,891	-0.23(-0.29%)
Mar 16, 2012	79.73	80.05	79.56	80.01	387,425	+0.31(+0.39%)
Mar 15, 2012	80.41	80.65	79.51	79.70	770,060	-0.63(-0.78%)
Mar 14, 2012	81.16	81.16	80.29	80.33	645,065	-0.76(-0.93%)
Mar 13, 2012	81.41	81.41	80.93	81.08	407,272	-0.21(-0.26%)
Mar 12, 2012	81.16	81.48	81.16	81.29	180,055	+0.13(+0.16%)
Mar 09, 2012	81.26	81.51	81.11	81.16	582,558	-0.10(-0.13%)
Mar 08, 2012	81.51	81.52	81.15	81.27	355,938	-0.11(-0.14%)
Mar 07, 2012	81.65	81.66	81.36	81.38	476,943	-0.22(-0.26%)
Mar 06, 2012	81.53	81.71	81.49	81.59	526,607	-0.10(-0.13%)
Mar 05, 2012	81.50	81.73	81.44	81.70	1,044,720	+0.07(+0.09%)
Mar 02, 2012	81.53	81.74	81.42	81.62	730,327	-0.07(-0.09%)
Mar 01, 2012	81.69	81.92	81.52	81.70	687,046	-0.08(-0.09%)
Feb 29, 2012	81.68	81.95	81.61	81.78	438,594	+0.10(+0.13%)
Feb 28, 2012	81.49	81.75	81.49	81.67	727,604	+0.15(+0.18%)
Feb 27, 2012	81.37	81.77	81.33	81.52	728,831	-0.11(-0.14%)
Feb 24, 2012	82.43	82.57	81.37	81.63	582,241	-0.78(-0.94%)
Feb 23, 2012	84.03	84.03	81.89	82.41	748,428	-1.72(-2.04%)
Feb 22, 2012	83.93	84.13	83.80	84.13	519,437	+0.20(+0.24%)
Feb 21, 2012	83.90	84.15	83.85	83.93	192,480	+0.18(+0.21%)
Feb 17, 2012	84.02	84.02	83.69	83.75	400,978	-0.05(-0.06%)
Feb 16, 2012	83.93	84.10	83.64	83.80	1,116,762	-0.12(-0.14%)
Feb 15, 2012	83.82	84.04	83.63	83.92	608,985	-0.13(-0.16%)
Feb 14, 2012	84.14	84.29	83.93	84.05	528,056	-0.20(-0.24%)
Feb 13, 2012	83.35	84.25	83.08	84.25	855,056	+1.00(+1.20%)
Feb 10, 2012	83.03	83.28	82.85	83.25	308,456	+0.44(+0.53%)
Feb 09, 2012	83.14	83.16	82.82	82.82	175,120	-0.27(-0.32%)
Feb 08, 2012	82.76	83.09	82.56	83.08	256,171	+0.40(+0.48%)
Feb 07, 2012	82.31	82.90	82.25	82.68	204,568	+0.24(+0.30%)
Feb 06, 2012	82.97	83.10	82.26	82.44	371,311	-0.69(-0.83%)
Feb 03, 2012	84.05	84.05	83.08	83.13	424,431	-0.57(-0.68%)
Feb 02, 2012	83.19	83.70	82.88	83.70	340,218	+0.43(+0.52%)

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